Table 1.

Summary of imaging techniques for ultrasound, MRI and CT

Ultrasound liver	MRI liver	CT liver
3–5 MHz Curvilinear Probe Transverse and longitudinal imaging, to include supine and left lateral decubitus positions Doppler evaluation of the portal vein Spleen measurement	Sequences Cor T2-w Single Shot Fast Spin Echo +/−Fat Saturation (FS) Ax T2-w Fast Spin Echo FS Ax Diffusion Weighted Imaging Ax dual gradient echo Ax 3D Spoiled Gradient Echo FS pre and post dynamic contrast enhancement (and coronal reconstruction in venous phase) Ax 2D Spoiled Gradient Echo FS post contrast delayed phase 10 ml Gadavist Subtraction imaging provided	Non contrast phase IV Contrast: Iohexol 100 mL Bolus tracking for arterial phase (average 30 s) Venous phase 65 s Delayed phase 240 s Single breath for each phase Injection rate min 4 ml/s Slice thickness 3 mm no overlap Coronal reconstructions in venous phases provided. Subtraction imaging optional